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Fix PREPARE TRANSACTION to reject the case where the transaction has dropped a

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temporary table; we can't support that because there's no way to clean up the
source backend's internal state if the eventual COMMIT PREPARED is done by
another backend.  This was checked correctly in 8.1 but I broke it in 8.2 :-(.
Patch by Heikki Linnakangas, original trouble report by John Smith.
This commit is contained in:
Tom Lane
2008-03-04 19:54:06 +00:00
parent 9b8a93baa4
commit 7d6e6e2e97
6 changed files with 49 additions and 56 deletions
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14
src/backend/access/heap/heapam.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.249 2008/01/30 18:35:55 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.250 2008/03/04 19:54:06 tgl Exp $
*
*
* INTERFACE ROUTINES
@ -868,6 +868,10 @@ relation_open(Oid relationId, LOCKMODE lockmode)
if (!RelationIsValid(r))
elog(ERROR, "could not open relation with OID %u", relationId);
/* Make note that we've accessed a temporary relation */
if (r->rd_istemp)
MyXactAccessedTempRel = true;
pgstat_initstats(r);
return r;
@ -912,6 +916,10 @@ try_relation_open(Oid relationId, LOCKMODE lockmode)
if (!RelationIsValid(r))
elog(ERROR, "could not open relation with OID %u", relationId);
/* Make note that we've accessed a temporary relation */
if (r->rd_istemp)
MyXactAccessedTempRel = true;
pgstat_initstats(r);
return r;
@ -958,6 +966,10 @@ relation_open_nowait(Oid relationId, LOCKMODE lockmode)
if (!RelationIsValid(r))
elog(ERROR, "could not open relation with OID %u", relationId);
/* Make note that we've accessed a temporary relation */
if (r->rd_istemp)
MyXactAccessedTempRel = true;
pgstat_initstats(r);
return r;